An independent declarative 3D audio format on the basis of XML
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This paper describes the development of an XML-based format called Audio3D for the declarative description of acoustic environments and sound sources for 3D auditory displays by an audio designer without the need of programming efforts. The format is platform and API independent and suitable for realtime and offline sound rendering. It can be used together with other XML-formats for 3D graphics such as X3D and is based on the concept of a hierarchical scene graph. Acoustic environments can be described in any level of detail using reflecting and absorbing surfaces or reverberation parameters for an abstract representation of multiple acoustic rooms.